tessitura

noun, plural tes·si·tu·ras, tes·si·tu·re [tes-i-too r-ey; Italian tes-see-too–re] /ˌtɛs ɪˈtʊər eɪ; Italian ˌtɛs siˈtu rɛ/.

1. the general pitch level or average range of a vocal or instrumental part in a musical composition: an uncomfortably high tessitura.

noun music

1. the general pitch level of a piece of vocal musican uncomfortably high tessitura
2. the compass or range of a voice